/*
 * Copyright (c) 2009-2012, Pieter Noordhuis <pcnoordhuis at gmail dot com>
 * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Redis nor the names of its contributors may be used
 *     to endorse or promote products derived from this software without
 *     specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ZIPLIST_H
#define _ZIPLIST_H

#ifdef __cplusplus
extern "C"
{
#endif

#define ZIPLIST_HEAD 0
#define ZIPLIST_TAIL 1

    unsigned char *ziplistNew ( void );
    unsigned char *ziplistMerge ( unsigned char **first, unsigned char **second );
    unsigned char *ziplistPush ( unsigned char *zl, unsigned char *s, unsigned int slen, int where );
    unsigned char *ziplistIndex ( unsigned char *zl, int index );
    unsigned char *ziplistNext ( unsigned char *zl, unsigned char *p );
    unsigned char *ziplistPrev ( unsigned char *zl, unsigned char *p );
    unsigned int ziplistGet ( unsigned char *p, unsigned char **sval, unsigned int *slen, long long *lval );
    unsigned char *ziplistInsert ( unsigned char *zl, unsigned char *p, unsigned char *s, unsigned int slen );
    unsigned char *ziplistDelete ( unsigned char *zl, unsigned char **p );
    unsigned char *ziplistDeleteRange ( unsigned char *zl, int index, unsigned int num );
    unsigned int ziplistCompare ( unsigned char *p, unsigned char *s, unsigned int slen );
    unsigned char *ziplistFind ( unsigned char *p, unsigned char *vstr, unsigned int vlen, unsigned int skip );
    unsigned int ziplistLen ( unsigned char *zl );
    size_t ziplistBlobLen ( unsigned char *zl );

#ifdef REDIS_TEST
    int ziplistTest ( int argc, char *argv[] );
#endif

#ifdef __cplusplus
}
#endif

#endif /* _ZIPLIST_H */
